Mineral wool plant substrate

Details Mineral wool plant substrate Mineral wool plant substrate

2006-09-12

2006-09-12

Nguyen, Son T. (Department: 3643)

Plant husbandry

Water culture, apparatus or method

Reexamination Certificate

active

07104006

ABSTRACT:
The invention relates to a mineral wool plant substrate comprising a coherent matrix of mineral wool and up to 20 volume % of an ion-exchange agent comprising a variable and/or fixed ion-exchange capacity of about 15, preferably 30 and most preferably 40 meq/100 g dry weight or more.

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